Sash-fastener



Patented July 29, 1890.

W. COULTER.

SASH PASTENBR.

`(No Model.)

w25/M238 es.'

Y UNITED STATES PATENT OFFICE.

WESLEY COULTER, OF PITTSBURG, PENNSYLVANIA.

sAslH-FASTENER.

SPECIFICATION forming part of Letters PatentlNo. 433,327, dated July 29, 1890.

l Application filed April 30, 1890. Serial No. 350,088. (No model.)

To a/ZZ whom it may con/cern.-

Be it known that I, WESLEY COULTER, of Pittsburg,in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvement-s in Sash-Locks; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilledin the art to which it pertains to make and use it, reference being had to the accompanying drawings, which form part of this specification.

My invention relates to an improvement in sash-locks; and it consists in a suitable plate or frame which is to be inserted into the window-frame inside of the edges of the upper and lower sash, two ratchet or cog wheels j ournaled upon the plate or frame, two spring actuated dogs .or pawls for each wheel, and

an operating-lever by means of which one dog' can be thrown into operation and the other one out, whereby either sash desired can be locked either up or down or allowed to move freely in either direction desired at the will of the operator.

It also consists in the arrangement and combination of parts, which will be more fully described hereinafter. f

The object of my invention is to ,provide a sash-lock by means of which either sash can be allowed a free movement in either direction or locked so that it cannot be moved at all, and to providea lock which cannot be forced or tampered with from the outside, and thus render the window to which it is applied perfectly safe.

Figure l is a side elevation of a sash-lock which embodies myinvention, the two sashes being shown in dotted lines. Fig. 2 is a view of the operating parts, taken from the rear side. Fig. 3 is a detail view showing the inetallic connection for the ends of the central bead. Figs. 4 and 5 show two forms of plates which may be made to engage withthe wheels for the purpose of holding or locking the sashes. Fig. 6 is a vertical section taken on the dotted line xx of Fig. 2, looking in the direction indicated by arrows. Fig. 7 is a section through the line y y of Fig. l.

A represents a iiat metallic plate, which is to be insertedflush into the window-frame and secured in position in any suitable manner. This plate is made long enough to extend from the outside bead of the frame through under sash, so as to allow the wheels C to project through a suitable distance, so as to engage with the cogged plates or devices of any kind D,which may be inserted in the edges of the sashes. Forxnedon the innersideof thisplateA are the vertical flanges or bearings F, between which the wheels O are journaled, and also journaled between these bearings F are the four dogs G, there being two dogs for each wheel, and each dog being provided with a projection l-I, against which the springs I are made to bear for the purpose'of making the dogs automatic in their' operation. These two dogs are pivoted at their outer corners between opposite ends of the plates F and project inward, so that either one desired or both may be brought into operation according to the direction in which it is desired that the sash shallmove.

Pivoted at the points A upon the plate A are the plates B', which are provided at each end with a prong O, and these prongs catch between the projections Il on the outer ends of the dogs Gfor the purpose of turningthem upon their pivots, as shown in Fig. 6, and thus made to alternately engage and disengage the wheel C. A lever L is pivoted to each of the plates B', and by means of the back and forth movement of the levers by means of a mechanism hereinafter described the plates B are turned upon their pivots A', and through the medium of the prongs O operate the dogs G. By causing this lever L through the operating device to turn upon its pivot, either dog desired is brought into operation with the wheel, and thus the wheel is allowed to turn freely in one direction, but is prevented from turningin the opposite one. By this construction either sash can be locked eitlier up or down at the will of the operator, or be locked rigidly in any desired position. There beinga lever L for each wheel O, either sash can be operated independently of the other, and thus they are made independent in their movements in every respect.

Various forms of operating devices may be used for each lever L; but I prefer to use an eccentric P, secured to a shaft Q, and which eccentric turns in a slot R in the outer end of IOO the lever L, for the purpose ot' causing the lever to turn freely upon its pivot. Secured to the shaft Q is a spring S at its inner end, and to the outer end of the shaft is secured the handle T. This rod Q passes through a hollow guiding-frame U, which extends outward through the inside bead V, and which has a suitable number of slots or recesses X in its outer end. Upon the inner side of the handle T is formed a projection Y, which catches in these slots or recesses for the purpose of locking the handle T and the lever L in any desired position. lf there are three of these recesses X, one will be for locking the lever in such a position as to throw that dog into operation which will lock the sash in a raised position. Another will be for locking the sash so that it cannot move either way,

andthe other will be for locking the sash down. There being one of these fastening devices for each of the levers L, as before stated, the operator has but to turn the handle T and the sash can be allowed to rise or fall or be locked in position so that it cannot move in either direction. There being no support for either' one of the sashes, in descending it will of course have to be held by the hand, and then by a turn of the handle T it can be stopped at any point and held. As the levers are turned so that the sashes can be raised, they will stop wherever they are left.

In case the sashes do not fit snugly in their frames and it is desired to prevent them from having anylateral play which will cause the plates or racks D to disengage from the wheels C, a friction roller or spring may be placed in the opposite side of the frame from the lock for the purpose of pushing the sash over toward the lock. In order to form a tight joint with the ends of the central bead where they are cut in two or separated, a metallic U- shaped frame ZA is used, and this frame is driven into the frame, so as to fit over the inner ends of the two beads, and thus form a tight joint or connection at this point to pre vent a hole from being made between the sashes, which will let in cold air. In case it should be so desired, only one dog may be used, and this dog will be made to lock the upper sash up and lower sash down, and can be placed upon either side of the sash.

journaled in these iianges, the pivoted dogs G, provided with projections O, the springs for making the dogs automatic in their movement, a pivoted operating-lever, an operating device for moving the lever, and racks secured to the sashes, with which the wheels engage, substantially as shown.

3. The combination of the wheels C, the racks secured to the inner edges of the sashes, the spring-actuated dogs provided with projections, the levers L, for moving the dogs, the frame U, which projects through the inner bead, the endwise-moving spring-actuated shaft Q, provided with a cam at one end and a handle at the other, the handle being provided with a projection, and the frame being provided with notches or recesses, substantially as specified. y

ln testimony whereof l affix my signature in presence of two witnesses.

WESLEY COULTER.

Witnesses:

F. A. LEHMANN, E. P. ELLIS. 

